# Cello Sight Reading vs Cello Key

The clearest difference is price: Cello Key at Free against Cello Sight Reading's $12.99. Cello Sight Reading's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

Cello Key is free to download; Cello Sight Reading costs $12.99 up front. Cello Key sells 1 one-off in-app purchase. Cello Sight Reading asks for nothing beyond the download.

Cello Sight Reading ships an update every 4 months, Cello Key every 6 months. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Cello Sight Reading | Cello Key |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/cello-key/id6449323913/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | — | Free with in-app purchases |
| Size | 82 MB | 61 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Sokolov](https://appshunter.io/developer/1628122395) | [Yuriko Kimura](https://appshunter.io/developer/1437608412) |

## What reviewers say

### Cello Sight Reading

[App page](https://appshunter.io/ios/app/cello-sight-reading/id6447474068)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cello Key

[App page](https://appshunter.io/ios/app/cello-key/id6449323913)

This app provides a simple fingerboard chart for cello learners, helping them identify notes, positions, and fingerings. It's designed for easy reference anywhere, especially useful for sheet music without finger numbers. It's particularly recommended for adult beginners.

**Highlights:** Fingerboard chart for cello, Note identification, Position guidance, Finger number reference, Simple and easy to read layout, Portable reference tool

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Natural Minor Scales Pack | $1.99 | one-time |


## Frequently asked questions

### Is Cello Sight Reading free?

Cello Sight Reading costs $12.99, with no in-app purchases.

### Is Cello Key free?

Cello Key is free to download, with in-app purchases available.

### Do Cello Sight Reading or Cello Key have ads?

Cello Key shows ads; Cello Sight Reading does not.

### Which is updated more often, Cello Sight Reading or Cello Key?

Cello Sight Reading ships an update every 4 months, and Cello Key every 6 months. Most recently, Cello Sight Reading was updated on September 22, 2026 and Cello Key on September 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*